In a high-performance outboard, every fastener plays a critical role, and the Yamaha Connecting Rod Bolt (63P-11654-00-00) is no exception. This bolt is designed to withstand the extreme forces and constant movement inside your engine, securing the connecting rod to the crankshaft with unwavering strength. Over time, wear and stress can weaken even the toughest bolts, and when it comes to engine integrity, there's no room for compromise. Replacing worn or stretched bolts with a genuine Yamaha part ensures a secure, vibration-resistant connection that keeps your outboard running at peak efficiency.. Engineered for Maximum Strength & Reliability:. Precision Yamaha Fit - Manufactured to exact OEM specifications for flawless compatibility and a rock-solid hold.. High-Tensile Durability - Built to handle high-RPM stress and resist stretching under heavy loads.. Corrosion-Resistant Coating - Protects against rust, moisture, and extreme heat for long-lasting performance.. Ideal for:. Securing